from copy import copy
from copy import deepcopy

l1 = [1,2,3,4,5,[100,200]]
l2 = l1
l3 = copy(l1)
l4 = deepcopy(l1)
l1.append(6)
l1[5].append(300)

print(l1)
print(l2)
print(l3)
print(l4)
